Question

use (a-b)²=a²-2ab+b² to evaluate (997)²​

Answer 1

Answer:(1000-3)2

(1000)2+(3)2-2*1000*3

1000000+9-6000

994009

gd afternoon

Step-by-step explanation:

Answer 2

Answer:

answer is 994009

Step-by-step explanation:

(997)^2 can be written as (1000-3)^2

Using property

=(1000)^2-2(1000)(3)+(3)^2

=1000000-6000+9

=994009